SPACI score report for 1bu7 in ASTRAL 2.08:

PDB Entry: 1bu7
SPACI score: 0.57
AEROSPACI score: 0.57

Experiment type: XRAY
Resolution: 1.65
R-factor: 0.197
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.081
WCK2 WHAT_CHECK Ramachandran: -1.126
WCK3 WHAT_CHECK Chi angles: -1.324
WCK4 WHAT_CHECK Backbone: 0.307

Note: Here are links to pages about PROCHECK and WHAT_CHECK.

Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).